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For the Inventor, By the Inventor

Pasadena, CA, United States of America

Royal Industries, Inc.

Calculating rank
USPTO Granted Patents = 22

Trademarks = 2

Forward Citations = 382

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24 inventors (with patents filed for the assignee):

goldMedal Jack H Kulp (4 out of 75 patents)

silverMedal Haskell Shapiro (4 out of 5 patents)

bronzeMedal James M Florsheim (4 out of 4 patents)

4.  Thomas R Rumsey (2 out of 2 patents)

5.  John D McKenney (1 out of 7 patents)

6.  Billy E Stevenson (1 out of 1 patent)

7.  Sigurd A Rishovd (1 out of 1 patent)

8.  Richard P Vizenor (1 out of 1 patent)

9.  John R Johnson (1 out of 21 patents)

10.  Leslie R Miller (1 out of 1 patent)

11.  Robert G Feldmann (1 out of 1 patent)

12.  James A Safar (1 out of 1 patent)

13.  Carl D Jackson (1 out of 7 patents)

14.  Leonard E Harrison (1 out of 1 patent)

15.  Harry Sosalla (1 out of 1 patent)


22 patents:

1. 4262751 - Tension failure trip for subsoil ripping shanks (1981-04-21),
2. 4172573 - Fuel tank (1979-10-30),
3. 4162097 - Vehicle cab structure (1979-07-24),
4. 4156166 - Method and apparatus for saving energy (1979-05-22),
5. 4134503 - Dumping apparatus for open top of vehicles (1979-01-16),
6. 4132983 - Radio synchronized warning light system (1979-01-02),
7. 4121669 - Floating row-crop cultivator (1978-10-24),
8. 4115257 - Grain cleaner (1978-09-19),
9. 4115007 - Vehicle wheel alignment system (1978-09-19),
10. 4085619 - Electronic balancer for vehicle wheels (1978-04-25),
11. 4083033 - Traffic control element (1978-04-04),
12. 4043441 - Mobile pump (1977-08-23),
13. 4034999 - Adjustable top link for 3-point hitch (1977-07-12),
14. 4034786 - Wheel chuck (1977-07-12),
15. 4022411 - Self-levelling seat suspension system for vehicles (1977-05-10),
Company Overview
Royal Industries, Inc., based in Pasadena, California, specializes in the development and manufacturing of high-quality kitchenware and foodservice products. The company focuses on providing innovative solutions for both commercial and residential kitchens, emphasizing durability and functionality. With a commitment to excellence, Royal Industries serves a diverse clientele, including restaurants, hotels, and catering services, ensuring that their products meet the evolving needs of the culinary industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

22 Patents

#29 in Pasadena, CA

#3,601 in California

#15,075 in US

#28,870 in the World

Pasadena, CA (US)
Pasadena, CA, United States of America

Royal Industries, Inc.

Forward Citations = 382

24 inventors:

goldMedal Jack H Kulp (4 out of 75 patents)

silverMedal Haskell Shapiro (4 out of 5 patents)

bronzeMedal James M Florsheim (4 out of 4 patents)

4.  Thomas R Rumsey (2 out of 2 patents)

5.  John D McKenney (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Royal Industries, Inc.. Retrieved from https://idiyas.com/company/royal-industries

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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